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Maple Leaf Galls: Harmless Cosmetic Issue

Tiny Wasps Cause Red Bumps

Red bumps on maple leaves = insect galls. Wasp lays egg, secretes chemical → gall forms. No health impact. Ants eat wasps, not from galls. Populations cycle yearly. No spray needed.

Trees: Japanese Maple Scale Infestation: Simple WD-40 and Oil Treatment; Japanese Maple Leaf Scorch and Color Change: Environmental, Not Disease; Maple Tree Lichens: Harmless Epiphytes Indicating Canopy Thinning; Plum Tree Soft Bark Bumps: Scale Insect Infestation; Maple Trunk White Spots: Harmless Lichens; Maple Trunk Bark Peeling: Wound Care (Bark Scoring); Debunking 'Insivianvaculosis': What a Hollow Tree Really Means for Tree Health; Beech Blight Aphids on Large Maple: Systemic Soil Treatment; Cottony Maple Scale: Systemic Imidacloprid Best for Large Trees; Maple Tree Decline: Moss, Bark Loss, and Mushrooms Signal Aging, Not Just Disease

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